| Casas Adobes to Nuth | 5,524.76 mi (8,891.24 km) |
| Casas Adobes to Oegstgeest | 5,422.14 mi (8,726.09 km) |
| Casas Adobes to Oirschot | 5,479.55 mi (8,818.49 km) |
| Casas Adobes to Oisterwijk | 5,472.57 mi (8,807.26 km) |
| Casas Adobes to Oldebroek | 5,457.24 mi (8,782.59 km) |
| Casas Adobes to Oldenzaal | 5,496.45 mi (8,845.69 km) |
| Casas Adobes to Ommen | 5,470.92 mi (8,804.60 km) |
| Casas Adobes to Oosterend | 5,438.06 mi (8,751.71 km) |
| Casas Adobes to Oosterhout | 5,458.57 mi (8,784.73 km) |
| Casas Adobes to Oosterwolde | 5,445.82 mi (8,764.20 km) |
| Casas Adobes to Oostzaan | 5,424.94 mi (8,730.60 km) |
| Casas Adobes to Opmeer | 5,415.48 mi (8,715.37 km) |
| Casas Adobes to Oss | 5,474.95 mi (8,811.09 km) |
| Casas Adobes to Oud-Beijerland | 5,435.83 mi (8,748.13 km) |
| Casas Adobes to Oudenbosch | 5,449.84 mi (8,770.67 km) |
